package com.atguigu.mybatis.mapper;

import com.atguigu.mybatis.bean.User;

import java.util.List;

/**
 * @date: 2022/3/2 15:02
 * @description:
 */
public interface UserMapper {
    int insertUser();
    int deleteUser(Integer id);
    int updateUser(User user);
    User selectUser(Integer id);
    List<User> selectUserList();
}
